Sunday 31st October 1954
A prototype 1955 Packard Patrician sedan completed a 25,000 endurance run at the Packard proving Grounds in Utica, Michigan, US at an average sped of 104.74 mph.




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A prototype 1955 Packard Patrician sedan completed a 25,000 endurance run at the Packard proving Grounds in Utica, Michigan, US at an average sped of 104.74 mph.
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